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Rebuilt Mercedes 300SL Engine for sale



Rebuilt Mercedes 300SL Engine for sale

Rebuilt Mercedes 300SL Engine for sale. The Mercedes-Benz 300SL is one of the most legendary automobiles ever made. Whether you're referring to the iconic W198 Gullwing, the elegant Roadster, or the later R129 300SL of the 1990s, the 300SL name stands for engineering excellence and timeless design. When restoring or maintaining such a classic, engine quality matters—and nothing restores confidence like a professionally rebuilt engine.

At First Used Auto Parts, we offer rebuilt Mercedes 300SL engines that honor the engineering of the original. Whether you're working on a museum-worthy showpiece or a weekend classic, our engines deliver authenticity, reliability, and long-term performance—all backed by a warranty and nationwide shipping.

Why Choose a Rebuilt 300SL Engine? Rebuilt Mercedes 300SL Engine for sale.

Rebuilding a Mercedes 300SL engine means restoring every component to factory or better standards. It's not just about keeping the car running—it's about preserving heritage. A rebuilt engine provides:

  • ✅ OEM-spec performance with brand-new internal components

  • ✅ Cost-effective solution compared to locating rare NOS engines

  • ✅ Authenticity retained, keeping the car's value intact

  • ✅ Tested and warrantied for peace of mind

  • ✅ Ready-to-install with professional support

300SL Engine Variants We Support

Depending on your model year, your 300SL could be equipped with one of the following engines, all of which we rebuild to exacting standards:

🔧 M198 – 3.0L Inline-6 (W198 Gullwing & Roadster, 1954–1963)

  • Legendary mechanical fuel-injected straight-six

  • Rare, precision-built engine requiring specialist knowledge

  • Rebuilt includes:

    • Complete teardown and machining

    • New pistons, rings, bearings, seals

    • Fuel injection pump restoration

    • Crankshaft balancing and head work

    • Full bench testing

📌 Due to the rarity of M198 engines, please inquire about current availability and rebuild time.

🔧 M103 – 3.0L Inline-6 (R129 300SL, 1990–1993)

  • Smooth SOHC engine with Bosch KE-Jetronic fuel injection

  • Known for reliability and refinement

  • Rebuilt includes:

    • Resurfaced head, valve job

    • New pistons, bearings, oil pump, timing components

    • Fuel system inspection and cleaning

    • Fully tested for compression and idle performance

What’s Included in Our Rebuilds?

Every rebuilt 300SL engine undergoes a comprehensive remanufacturing process:

  • 🧰 Block and head resurfacing

  • 🔩 New pistons, rings, and bearings

  • ⚙️ Timing chain, tensioner, and guides replaced

  • 🔧 Rebuilt or tested crankshaft and camshaft(s)

  • 💨 Fuel system cleaning or refurbishment (model-dependent)

  • ✅ Oil pressure and compression testing before shipping

Warranty & Installation Support

Each engine comes with a limited warranty covering parts and labor. We also provide:

  • VIN/chassis matching support to ensure compatibility

  • Technical advice for restoration shops or DIY builds

  • Access to trusted Mercedes specialists for installation (by region)

Fast, Insured Shipping Nationwide

We offer secure, crated shipping anywhere in the U.S., including:

  • California (Los Angeles, San Diego, San Francisco)

  • Texas, New York, Florida, Illinois, Washington

  • Delivery to residential addresses, shops, or restoration facilities

Your rebuilt engine is fully protected and ready for installation upon arrival.

Why First Used Auto Parts?

  • ✅ Experts in classic and rare Mercedes-Benz engines

  • ✅ Authenticity-focused rebuilds with modern reliability

  • ✅ Warranty-backed and professionally supported

  • ✅ Nationwide delivery, easy quotes, and real support

  • ✅ Trusted by collectors, restorers, and enthusiasts alike

Reignite the Legacy of Your 300SL

Whether you're restoring a rare W198 Gullwing, an elegant Roadster, or a sleek R129 300SL, a rebuilt engine from First Used Auto Parts ensures your car’s legacy continues—on the road or on the concours lawn.

👉 Request a personalized quote today and let’s help you preserve and enhance one of Mercedes-Benz’s most iconic machines.

📞 Call to Action:Don’t compromise on quality. Contact First Used Auto Parts today for a rebuilt Mercedes 300SL engine—rebuilt with precision, delivered with care, and ready to power your classic.

 
 
 

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